B-meson production at forward and backward rapidity in p + p and Cu + Au  collisions at (s_(NN))~(1/2) = 200 GeV

C. Aidala; N. N. Ajitanand; Y. Akiba; R. Akimoto; J. Alexander; et al

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B-meson production at forward and backward rapidity in p + p and Cu + Au collisions at (s_(NN))~(1/2) = 200 GeV

机译：B-Meson在P + P和Cu + Au碰撞中的前向和落后快速产生（S_（NN））〜（1/2）= 200 GEV

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The fraction of J/ψ mesons which come from B-meson decay, F_(B→J/ψ), is measured for J/ψ rapidity 1.2 < |y| < 2.2 and pT > 0 in p + p and Cu+Au collisions at (s_(NN))~(1/2) = 200 GeV with the PHENIX detector. The extracted fraction is F_(B→J/ψ)= 0.025 ± 0.006 (stat) ± 0.010(syst) for p + p collisions. For Cu+Au collisions, F_(B→J/ψ) is 0.094 ± 0.028(stat) ± 0.037(syst) in the Au-going direction (−2.2 < y < −1.2) and 0.089 ± 0.026(stat) ± 0.040(syst) in the Cu-going direction (1.2 < y < 2.2). The nuclear modification factor, RCuAu, of B mesons in Cu+Au collisions is consistent with binary scaling of measured yields in p + p at both forward and backward rapidity.

机译：来自B-MESON衰减的J /ψ蒙斯顿的分数F_（B→J /∞），用于J /ψQuidity 1.2 <| Y | P + P和Cu + Au碰撞中的<2.2和pt> 0（S_（NN））〜（1/2）= 200 GEV，具有Phenix检测器。提取的分数是F_（B→J /ψ）= 0.025±0.006（统计）±0.010（SYST），用于P + P碰撞。对于CU + AU碰撞，F_（B→J /ψ）为0.094±0.028（STAT）±0.037（SYST），在Au-pown方向（-2.2

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《Physical Review C》 |2017年第2017期|064901.1-064901.18|共18页
作者
C. Aidala; N. N. Ajitanand; Y. Akiba; R. Akimoto; J. Alexander; et al;
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Los Alamos National Laboratory Los Alamos New Mexico 87545 USA Department of Physics University of Michigan Ann Arbor Michigan 48109-1040 USA;

Chemistry Department Stony Brook University SUNY Stony Brook New York 11794- 3400 USA;

RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA;

Center for Nuclear Study Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan;

Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA;

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1. B-meson production at forward and backward rapidity in p plus p and Cu plus Au collisions at root s(NN)=200 GeV [J] . Aidala C., Ajitanand N. N., Akiba Y., Physical review, C . 2017,第6期

机译：B-Meson在P Plus P Plus P和Cu加上的速度产生的生产在Root S（NN）= 200 GEV中的碰撞
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4. Hadron Production at Forward and Backward Rapidities in (s_(NN))~(1/2)= 200 GeV d+Au Collisions [C] . Andrew Glenn Nuclear Dynamics . 2005

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7. B-meson production at forward and backward rapidity in $p$+$p$ and Cu+Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV [O] . Aidala, C., Ajitanand, N. N., Akiba, Y., 2017

机译：在$ p $ + $ p $和Cu + au的前向和后向快速生产B-meson 碰撞$ \ sqrt {s _ {_ {NN}}} $ = 200 GeV

B-meson production at forward and backward rapidity in p + p and Cu + Au collisions at (s_(NN))~(1/2) = 200 GeV

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